Retinoic Acid Affects Invasion in Breast Cancer Cells
Author Information
Author(s): M.E. Bracke, N.A. Van Larebeke, B.M. Vyncke, M.M. Mareel
Primary Institution: University Hospital, Gent, Belgium
Hypothesis
How does retinoic acid affect the invasiveness of MCF-7 human mammary carcinoma cells?
Conclusion
Retinoic acid can either inhibit or promote the invasiveness of different variants of MCF-7 cells.
Supporting Evidence
- MCF-7/6 cells invaded heart tissue in 63 out of 83 cultures.
- MCF-7/AZ cells showed no signs of invasion in 57 cultures.
- Retinoic acid induced invasion in 12 out of 15 MCF-7/AZ cultures.
- Retinoic acid inhibited invasion in all 19 MCF-7/6 cultures.
Takeaway
Retinoic acid can make some cancer cells more invasive while making others less invasive, like a switch that can go both ways.
Methodology
The study used an in vitro assay to test the invasiveness of MCF-7 cell variants by confronting them with embryonic chick heart fragments and analyzing their behavior with time-lapse video microscopy.
Limitations
The study was conducted in vitro, which may not fully replicate in vivo conditions.
Participant Demographics
Human mammary carcinoma cells (MCF-7 variants).
Statistical Information
P-Value
0.0001
Statistical Significance
p<0.0001
Want to read the original?
Access the complete publication on the publisher's website